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GAGNON SECURITIES LLC: CDNA position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of GAGNON SECURITIES LLC on CDNA, newest first. How the timeline and the estimate are built.

GAGNON SECURITIES LLC held 2,317,628 CDNA shares at 2026-06-30 per its 13F-HR filed 2026-08-05.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 2,317,628 shares
    Change vs previous 13F +22,862 shares

    9.77% of the 13F portfolio, value $66,052,411.

    13F-HR 0001019056-26-000123 filed by GAGNON SECURITIES LLC
    Filed (acceptance time not in the bulk data set), ingested

    • GAGNON SECURITIES LLC: 1,770,735 shares
    • Gagnon Advisors, LLC: 546,893 shares

    Acceptance time not in the bulk data set (spec §4.2).

  2. period ended2026-03-31
    13F 2,294,766 shares
    Change vs previous 13F -13,016 shares

    7% of the 13F portfolio, value $39,837,145.

    13F-HR 0001019056-26-000076 filed by GAGNON SECURITIES LLC
    Filed (acceptance time not in the bulk data set), ingested

    • GAGNON SECURITIES LLC: 1,761,874 shares
    • Gagnon Advisors, LLC: 532,892 shares

    Acceptance time not in the bulk data set (spec §4.2).

  3. period ended2025-12-31
    13F 2,307,782 shares
    Change vs previous 13F +48,943 shares

    6.7% of the 13F portfolio, value $43,478,621.

    13F-HR 0001019056-26-000037 filed by GAGNON SECURITIES LLC
    Filed (acceptance time not in the bulk data set), ingested

    • GAGNON SECURITIES LLC: 1,774,890 shares
    • Gagnon Advisors, LLC: 532,892 shares

    Acceptance time not in the bulk data set (spec §4.2).

  4. period ended2025-09-30
    13F 2,258,839 shares
    Change vs previous 13F +255,764 shares

    4.97% of the 13F portfolio, value $32,843,526.

    13F-HR 0001019056-25-000228 filed by GAGNON SECURITIES LLC
    Filed (acceptance time not in the bulk data set), ingested

    • GAGNON SECURITIES LLC: 1,729,425 shares
    • Gagnon Advisors, LLC: 529,414 shares

    Acceptance time not in the bulk data set (spec §4.2).

  5. period ended2025-06-30
    13F 2,003,075 shares
    Change vs previous 13F +168,511 shares

    6.1% of the 13F portfolio, value $39,140,094.

    13F-HR 0001019056-25-000196 filed by GAGNON SECURITIES LLC
    Filed (acceptance time not in the bulk data set), ingested

    • GAGNON SECURITIES LLC: 1,548,912 shares
    • Gagnon Advisors, LLC: 454,163 shares

    Acceptance time not in the bulk data set (spec §4.2).

  6. period ended2025-03-31
    13F 1,834,564 shares
    Change vs previous 13F -9,507 shares

    5.46% of the 13F portfolio, value $32,563,519.

    13F-HR 0001019056-25-000173 filed by GAGNON SECURITIES LLC
    Filed (acceptance time not in the bulk data set), ingested

    • GAGNON SECURITIES LLC: 1,421,689 shares
    • Gagnon Advisors, LLC: 412,875 shares

    Acceptance time not in the bulk data set (spec §4.2).

  7. period ended2024-12-31
    13F 1,844,071 shares
    Change vs previous 13F -6,526 shares

    6.05% of the 13F portfolio, value $39,481,570.

    13F-HR 0001019056-25-000034 filed by GAGNON SECURITIES LLC
    Filed (acceptance time not in the bulk data set), ingested

    • GAGNON SECURITIES LLC: 1,431,196 shares
    • Gagnon Advisors, LLC: 412,875 shares

    Acceptance time not in the bulk data set (spec §4.2).

  8. period ended2024-09-30
    13F 1,850,597 shares
    Change vs previous 13F not available

    8.77% of the 13F portfolio, value $57,784,905.

    13F-HR 0001019056-24-000316 filed by GAGNON SECURITIES LLC
    Filed (acceptance time not in the bulk data set), ingested

    • GAGNON SECURITIES LLC: 1,437,722 shares
    • Gagnon Advisors, LLC: 412,875 shares

    Acceptance time not in the bulk data set (spec §4.2).